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California’s Prohibited Violation Attestation

On September 27, 2022 the California State Governor passed AB 1242 into law, effective immediately. The California law impacts search warrants, pen register, trap & trace, and wire tap in all 50 states. Simply put, electronic service providers based in California are prohibited from complying with legal process if the investigation involves abortion.
Search warrants, regardless what State they are written in, must include an attestation that the evidence sought is not related to a prohibited violation regardless of what State they are issued from.

Writing Google Geofence Search Warrants

The Google geofence is the criminal investigative technique that many consider a “magic pill” for their cases. It has the unique ability to identify unknown suspects, but it has limitations. Google retains location data for over 200,000,000 devices dating back to 2009 in a database known as Sensorvault. Google collects location data whenever one of their services is activated and whenever there is an event on the mobile device. Device events include phone calls, text messages, internet access, or email access.

When writing Google geofence search warrants, make sure your document covers the following:
Limited Initial Search Areas that exclude uninvolved crime scene surroundings.
Limit the time frame to as small of a window as reasonable.
For each search warrant in the process, include particularized probable cause about why the selected devices could be relevant to the investigation.